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  1. #1
    Silver Member
    Join Date
    Jan 2004
    Posts
    109
    Location
    Eastern, Pa.
    Tractor
    NH TC33D

    Default Pressure washer pump oil-what is it??

    I have a Graco 9hp Honda with a Interpump 3.5gpm/3200psi that holds 14oz of fluid in the pump.. Cant find the manual, only found specs with capacity online.. anyone have a clue what is in it? lookin kind if gray now I want to freshen it up before it freezes in the barn.

  2. #2

    Join Date
    Aug 2004
    Posts
    18
    Location
    Bradford County, Pa
    Tractor
    Kubota B7610

    Default Re: Pressure washer pump oil-what is it??

    The pump on my Karcher pressure washer specifies 15w-40 engine oil for the pump and 10w-30 for the engine. I hope this helps.

    Brad

  3. #3
    Platinum Member
    Join Date
    Mar 2004
    Posts
    599
    Location
    western WA
    Tractor
    sold PT-425

    Default Re: Pressure washer pump oil-what is it??

    Northern Tool carries pump oil that appears to be universal for all pressure washer pumps. Main thing is the additives which help to prevent rust in the moisture environment.

    Check {HERE}

  4. #4
    Super Member 5030's Avatar
    Join Date
    Feb 2003
    Posts
    5,234
    Location
    Michigan, S.E. Monroe County
    Tractor
    Kubota M9000 Hyd Kubota M105 shuttle

    Default Re: Pressure washer pump oil-what is it??

    I have a commercial unit, an Alladin diesel fired 3K with a Honda 13 horse engine. I get all my chemicals from the selling dealer, but, he recommended straight 30 weight NON Detergent motor oil fro the Cat triplex pump so that's what I use. He told me that the additive package in detergent 30 weight will cause foaming in the crankcase cavity.

  5. #5
    Silver Member jeffmazz's Avatar
    Join Date
    Oct 2004
    Posts
    121
    Location
    Cumberland County PA
    Tractor
    Kubota BX22--Wheel Horse 520H

    Default Re: Pressure washer pump oil-what is it??

    I have an Excell 3600 psi. with a 13 HP Honda and Reverti (not sure if that is correct spelling) pump. The manual specifies 30 wt. non detergent oil only. I was at Home Depot the other day and noticed that they carry Excell pump oil for pressure washers. You might want to check that out.

  6. #6
    Platinum Member
    Join Date
    Mar 2004
    Posts
    599
    Location
    western WA
    Tractor
    sold PT-425

    Default Re: Pressure washer pump oil-what is it??

    That's correct. A NON-detergent petrochemical hydraulic type oil is the general spec. The stuff from Northern is Non-detergent also.

  7. #7
    Silver Member
    Join Date
    Nov 2004
    Posts
    144
    Location
    Chattanooga, TN area.
    Tractor
    Kubota L3130 and Kubota ZD21

    Default Re: Pressure washer pump oil-what is it??

    Non-Detergent 30w is what I use in mine. I called the manufacturer and they told me to use Non-Detergent 30w motor oil in the pump. You can buy it at Northern Tool, Lowes or Home Depot. I buy mine at Wal-Mart for around $1.00 a quart in the motor oil section. Have been using it for years. I change it at approx. every 10 hours of use. Washer has over 200 hours on it and works as good as new.


    Curt

  8. #8
    Silver Member KubotaOne's Avatar
    Join Date
    May 2005
    Posts
    133
    Location
    Ontario, Canada
    Tractor
    Kubota B-3030, FEL & BH

    Default Re: Pressure washer pump oil-what is it??

    I agree with the above posts. Non-Detergent 30w is standard.

  9. #9
    Super Member _RaT_'s Avatar
    Join Date
    Apr 2000
    Posts
    5,814
    Location
    Northern CA.
    Tractor
    Push mower, Snapper 21" 6 shovels, 2 rakes, a pick, 2 pinch bars, a post hole digger (two handle type) and 2 wheel barrows that handle like a Porsche.

    Default Re: Pressure washer pump oil-what is it??

    CAT has a oil for their pumps. I understand it is non detergent and synthetic. I thought that would get GSXR1200 and Skypup excited. [img]/forums/images/graemlins/grin.gif[/img]

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